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Lockout / Tagout. “Control of Hazardous Energy” 29 CFR 1910.147 Cummins Rocky Mountain. Purpose of Lockout/Tagout (LOTO). WHY LOCKOUT/TAGOUT? Cummins Rocky Mountain LOTO procedures are designed to prevent accidents, to protect employees and equipment from accidental start-up.

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Lockout tagout

Lockout / Tagout

“Control of Hazardous Energy” 29 CFR 1910.147

Cummins Rocky Mountain


Purpose of lockout tagout loto
Purpose of Lockout/Tagout (LOTO)

WHY LOCKOUT/TAGOUT?

Cummins Rocky Mountain LOTO procedures are designed to prevent accidents, to protect employees and equipment from accidental start-up.


The fatal five main causes of lockout tagout injuries
The “Fatal Five” Main Causes of Lockout/Tagout Injuries

  • Failure to stop equipment

  • Failure to disconnect from power source

  • Failure to dissipate (bleed, neutralize) residual energy

  • Accidental restarting of equipment

  • Failure to clear work areas before restarting


Employee categories
Employee Categories

AUTHORIZED EMPLOYEES

These are employees who are allowed to perform energy control procedures. Training will include company approved energy control procedures, recognition of energy sources, and methods for isolation and energy control.

AFFECTED EMPLOYEES

These are employees that operate the equipment on which work is being performed. Training will include the purpose and use of the energy control procedures.

OTHER EMPLOYEES

These are all other employees that may work in an area where energy control procedures may be used. Training will include instruction on the energy control procedures and the restrictions relating to attempting to restart or reenergize equipment that is either locked out or tagged out.


Hazardous energy sources
Hazardous Energy Sources

  • CHEMICAL – acids, corrosives, caustics

  • THERMAL – steam, hot, cold

  • HYDRAULIC – water, oil, liquids

  • ELECTRICAL – AC/DC, generator, battery

  • MECHANICAL – coiled springs, raised loads, moving parts

  • PNEUMATIC – pressurized gas, compressed air


Equipment requiring lockout tagout at our facility
Equipment Requiring Lockout/Tagout at our Facility

  • Air Compressor

  • Alkota Pressure Washer

  • Chassis Dyno

  • Overhead 10 Ton Crane

  • Repair Shop Lathe

  • Zero Blasting Hood


Loto definitions and requirements
LOTO Definitions and Requirements

  • LOTO is defined as the process of the authorized placement and administrative control of locks and tags used to ensure the protection of employees, equipment, and the environment.

  • LOTO locks are used for physical control over an energy isolation device.


Energy isolation devices

ON OFF

SYSTEM

CONTROL

SWITCH

Energy Isolation Devices

  • Used to control and isolate hazardous energy. They are mechanical devices that physically prevent the transmission or release of energy.

    • circuit breakers

    • disconnect switches

    • valves

  • Energy isolation devices are where we place the locks and tags. They are NOT locks or tags. These are the devices that prevent the transmission of hazardous energy to the equipment that requires work to be performed.


Only individual circuit breakers can be locked out in a circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.


Locks
Locks circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.

  • All our locks and tags for LOTO are standardized by shape, size or color

  • Personally Controlled Lock

    • Owner has only key

    • No master key is allowed


Hardware for loto
Hardware for LOTO circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.

  • Locks/Tags

  • Locking plug caps

  • Chains

  • Wedges

  • Blocks

  • Blanks


Locks vs tags
Locks vs Tags circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.

  • Locks are used to block the flow of energy.

  • Tags are a warning to all employees not to turn the power on.


Lockout vs tagout
Lockout vs Tagout circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.

  • OSHA prefers lockout.

  • If an energy isolation device will accept a lock, you MUST use a lock.

  • In situations where a lock cannot be used, you may use a tag only. A tag does not provide the positive control of a lock. So it is important that we are all aware of the limitations of a tag.


Tagout

DANGER circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.

LOCKED

OUT

DO NOT OPERATE

This Lock/Tag may

only be removed by

NAME: _______________

DEPT : _______________

EXPECTED COMPLETION

DATE: ________________

TIME: _________________

Tagout

  • CAN BE USED in place of lockout if you can demonstrate that it will offer employee protection equivalent to that offered by lockout.

  • Equivalent protection is demonstrated by the following safety measures:

    • Removing an isolating circuit element;

    • Blocking a control switch;

    • Opening an extra disconnecting device; or

    • Removing a valve handle.

  • The tag must be attached at the same spot where the lockout device would have been found.


Examples of tags we use. circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.

Tag Characteristics:

  • Withstand at least 50 pounds of force

  • Not re-usable

  • Self locking

  • Attachable by hand


Applying locks and tags
Applying Locks and Tags circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.

  • LOTO devices are to be attached by an authorized employee to each energy-isolating device.

  • When a lockout device is used, it must be attached in such a way that it secures the energy isolating device in the “off” position.

  • When a tagout device is used, it must be attached exactly where the lock would have been on the energy-isolation device-or as close to that point and in as obvious a position as possible. The tag must clearly indicate that the energy-isolation device must not be disturbed. (The tag should read DO NOT START, DO NOT OPEN, or DO NOT ACTIVATE)


Loto is not required when
LOTO is NOT Required When: circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.

  • Work is performed in cord and plug electrical equipment on which the plug is under EXCLUSIVE CONTROL of the employee performing the service or maintenance.

    • Note: exclusive control means that the plug is:

      • Physically in possession of or within arm’s reach of the person who performs the work, and

      • In that person’s line of sight.

  • Minor tool changes, when the on/off switch is under EXCLUSIVE CONTROL of the operator.

  • For Example…


…Pedestal grinders circuit breaker. If the whole panel was locked, circuits powering other equipment would be inaccessible.


However, if you cannot immediately repair the ‘plug and cord’ equipment, it should be LOTO to prevent unintended startup. The above picture shows the plug to a pedestal grinder. Since the employee couldn’t repair it until the parts arrived, a LOTO plug cap placed was used.


Loto shutdown procedure
LOTO Shutdown Procedure cord’ equipment, it should be LOTO to prevent unintended startup. The above picture shows the plug to a pedestal grinder. Since the employee couldn’t repair it until the parts arrived, a LOTO plug cap placed was used.

Steps to Apply LOTO

  • Notification of employees involved or in the area and you will be shutting equipment down.

  • Shutdown of all power sources. You may need to stop, block, or bleed the energy sources.

  • Lockout and Tagout all energy sources. Verify the controls do not start machine and check the voltage.

  • Verification among employees once the work has been completed.

    • Inspect work area to ensure removal of non-essentials

    • Employees safely positioned and notified

    • Lockout/tagout removal (by employee who applied)


Removal of locks tags
Removal of Locks/Tags cord’ equipment, it should be LOTO to prevent unintended startup. The above picture shows the plug to a pedestal grinder. Since the employee couldn’t repair it until the parts arrived, a LOTO plug cap placed was used.

  • Only the maintenance employee performing the original repair can remove a lock.

  • If employee is off-site, the supervisor may remove the lock under the following conditions.

    • Verify that authorized employee is not at facility

    • Make reasonable efforts to inform him or her

    • Ensure that he/she knows of removal upon re-entering


Group lockout
Group Lockout cord’ equipment, it should be LOTO to prevent unintended startup. The above picture shows the plug to a pedestal grinder. Since the employee couldn’t repair it until the parts arrived, a LOTO plug cap placed was used.

  • Each employee performing LOTO work on equipment will have his/her own lock and tag at the energy isolation devices.

    • When multiple employees are working on the equipment, a hasp may be used.


Equipment start up
Equipment Start-Up cord’ equipment, it should be LOTO to prevent unintended startup. The above picture shows the plug to a pedestal grinder. Since the employee couldn’t repair it until the parts arrived, a LOTO plug cap placed was used.

  • Clear equipment of tools and materials

  • Re-install all guards

  • Alert employees to stand clear

  • Remove locks/tags

  • Energize equipment


Remember to re-install all guards after service is complete!!!!! Otherwise, a serious hazard may be created.


Lockout tagout1

Lockout/Tagout complete!!!!! Otherwise, a serious hazard may be created.

All lockout/tagout procedures are found through the link to Lockout / Tagout link on the Cummin’s safety website.

If you have any questions on Lockout/Tagout, contact your supervisor or submit a question using the “ASK THE EXPERT” menu selection on this website.


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